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Although experts disagree on exactly how much water a person should drink each day, they agree on the ways in which water aids in the carrying out of key bodily processes. Drinking water replenishes what is lost daily. It also contributes to maintaining a balanced diet and prevents dehydration.
Significance
Because the average adult excretes about 10 cups of water via urine, bowel movements, breathing and perspiring daily, replenishing water lost helps your body maintain proper cell nutrition and detoxification, explains MayoClinic.com.
Metabolism and Kidney Function
Bob Harper, one of the fitness trainers from the reality show "The Biggest Loser," echoes MayoClinic.com's advice, suggesting people ingest 8 to 10 cups of water daily in order to maintain an efficient metabolism. Harper also says drinking plenty of water burns fat and assists in proper kidney function.
Water for Children
According to the Web site Kids Health, there isn't a recommended daily allowance of water for children. However, children should drink water at mealtime and before, during and after exercising. Also, increasing water intake when warm weather approaches is recommended in order to avoid overheating.
Water's Other Functions
Although the Centers for Disease Control and Prevention (CDC) does not specify the amount of water you should drink daily, the organization reports that water provides body temperature normalization, joint lubrication and spinal cord protection.
Expert Insight
Based on a 2,500 calorie diet, a person should get 2.5 liters of fluid daily, according to both the Nutrition Board of the National Research Council and Dr. Mehmet Oz, cardiac surgeon and host of the syndicated doc show "The Dr. Oz Show." Fluid sources include water, other water-based beverages, and fruits and vegetables.
Source:
MayoClinic.com: Water: How Much Should You Drink Every Day?
Kids Health: Why Drinking Water Is the Way to Go
Centers for Disease Control and Prevention (CDC): Meeting Your Daily Fluid Needs
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